1 files changed, 10 insertions, 12 deletions

diff --git a/src/txdb.cpp b/src/txdb.cpp
index c223abd590..1a30bb58ad 100644
--- a/src/txdb.cpp
+++ b/src/txdb.cpp
@@ -14,8 +14,6 @@
 
 #include <boost/thread.hpp>
 
-using namespace std;
-
 static const char DB_COINS = 'c';
 static const char DB_BLOCK_FILES = 'f';
 static const char DB_TXINDEX = 't';
@@ -32,11 +30,11 @@ CCoinsViewDB::CCoinsViewDB(size_t nCacheSize, bool fMemory, bool fWipe) : db(Get
 }
 
 bool CCoinsViewDB::GetCoins(const uint256 &txid, CCoins &coins) const {
-    return db.Read(make_pair(DB_COINS, txid), coins);
+    return db.Read(std::make_pair(DB_COINS, txid), coins);
 }
 
 bool CCoinsViewDB::HaveCoins(const uint256 &txid) const {
-    return db.Exists(make_pair(DB_COINS, txid));
+    return db.Exists(std::make_pair(DB_COINS, txid));
 }
 
 uint256 CCoinsViewDB::GetBestBlock() const {
@@ -53,9 +51,9 @@ bool CCoinsViewDB::BatchWrite(CCoinsMap &mapCoins, const uint256 &hashBlock) {
     for (CCoinsMap::iterator it = mapCoins.begin(); it != mapCoins.end();) {
         if (it->second.flags & CCoinsCacheEntry::DIRTY) {
             if (it->second.coins.IsPruned())
-                batch.Erase(make_pair(DB_COINS, it->first));
+                batch.Erase(std::make_pair(DB_COINS, it->first));
             else
-                batch.Write(make_pair(DB_COINS, it->first), it->second.coins);
+                batch.Write(std::make_pair(DB_COINS, it->first), it->second.coins);
             changed++;
         }
         count++;
@@ -73,7 +71,7 @@ CBlockTreeDB::CBlockTreeDB(size_t nCacheSize, bool fMemory, bool fWipe) : CDBWra
 }
 
 bool CBlockTreeDB::ReadBlockFileInfo(int nFile, CBlockFileInfo &info) {
-    return Read(make_pair(DB_BLOCK_FILES, nFile), info);
+    return Read(std::make_pair(DB_BLOCK_FILES, nFile), info);
 }
 
 bool CBlockTreeDB::WriteReindexing(bool fReindexing) {
@@ -139,23 +137,23 @@ void CCoinsViewDBCursor::Next()
 bool CBlockTreeDB::WriteBatchSync(const std::vector<std::pair<int, const CBlockFileInfo*> >& fileInfo, int nLastFile, const std::vector<const CBlockIndex*>& blockinfo) {
     CDBBatch batch(*this);
     for (std::vector<std::pair<int, const CBlockFileInfo*> >::const_iterator it=fileInfo.begin(); it != fileInfo.end(); it++) {
-        batch.Write(make_pair(DB_BLOCK_FILES, it->first), *it->second);
+        batch.Write(std::make_pair(DB_BLOCK_FILES, it->first), *it->second);
     }
     batch.Write(DB_LAST_BLOCK, nLastFile);
     for (std::vector<const CBlockIndex*>::const_iterator it=blockinfo.begin(); it != blockinfo.end(); it++) {
-        batch.Write(make_pair(DB_BLOCK_INDEX, (*it)->GetBlockHash()), CDiskBlockIndex(*it));
+        batch.Write(std::make_pair(DB_BLOCK_INDEX, (*it)->GetBlockHash()), CDiskBlockIndex(*it));
     }
     return WriteBatch(batch, true);
 }
 
 bool CBlockTreeDB::ReadTxIndex(const uint256 &txid, CDiskTxPos &pos) {
-    return Read(make_pair(DB_TXINDEX, txid), pos);
+    return Read(std::make_pair(DB_TXINDEX, txid), pos);
 }
 
 bool CBlockTreeDB::WriteTxIndex(const std::vector<std::pair<uint256, CDiskTxPos> >&vect) {
     CDBBatch batch(*this);
     for (std::vector<std::pair<uint256,CDiskTxPos> >::const_iterator it=vect.begin(); it!=vect.end(); it++)
-        batch.Write(make_pair(DB_TXINDEX, it->first), it->second);
+        batch.Write(std::make_pair(DB_TXINDEX, it->first), it->second);
     return WriteBatch(batch);
 }
 
@@ -175,7 +173,7 @@ bool CBlockTreeDB::LoadBlockIndexGuts(boost::function<CBlockIndex*(const uint256
 {
     std::unique_ptr<CDBIterator> pcursor(NewIterator());
 
-    pcursor->Seek(make_pair(DB_BLOCK_INDEX, uint256()));
+    pcursor->Seek(std::make_pair(DB_BLOCK_INDEX, uint256()));
 
     // Load mapBlockIndex
     while (pcursor->Valid()) {